Ink: Water-based dye Tip Size: 0.38mm ballpoint Cap: PC resin Body/Clip: ASA resin Dimensions: 20mm diameter x 146mm Weight: 14.6g Blue: 1 Light Blue: 2 Orange: 1 Refills: Blue only, 3 No individual sales. Sold as a set. This is a rare, discontinued item that is difficult to find online. Stored at home. Please consider purchasing if you understand this. Thank you for looking.